Model Comparison

GPT-4o mini vs Codestral-22BWhich is better in 2026?

GPT-4o mini significantly outperforms across most benchmarks.

Verdict: GPT-4o mini vs Codestral-22B — which is better?

GPT-4o mini (by OpenAI) and Codestral-22B (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GPT-4o mini outperforms in 1 benchmarks (HumanEval), while Codestral-22B is better at 0 benchmarks. GPT-4o mini significantly outperforms across most benchmarks.

Choose GPT-4o mini if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2024

Choose Codestral-22B if…

  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-4o mini outperforms in 1 benchmarks (HumanEval), while Codestral-22B is better at 0 benchmarks.

GPT-4o mini significantly outperforms across most benchmarks.

Wed Jun 10 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4o mini specifies input context (128,000 tokens). Only GPT-4o mini specifies output context (16,384 tokens).

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Mistral AI
Codestral-22B
Input- tokens
Output- tokens
Wed Jun 10 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o mini supports multimodal inputs, whereas Codestral-22B does not.

GPT-4o mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4o mini

Text
Images
Audio
Video

Codestral-22B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o mini is licensed under a proprietary license, while Codestral-22B uses MNPL-0.1.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-4o mini

Proprietary

Closed source

Codestral-22B

MNPL-0.1

Open weights

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Codestral-22B was released on 2024-05-29.

GPT-4o mini is 2 months newer than Codestral-22B.

GPT-4o mini

Jul 18, 2024

1.9 years ago

1mo newer
Codestral-22B

May 29, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Codestral-22B's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Codestral-22B's cutoff date.

GPT-4o mini

Oct 2023

Codestral-22B

—

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Supports multimodal inputs
Higher HumanEval score (87.2% vs 81.1%)
Mistral AI
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
Mistral AI
Codestral-22B

FAQ

Common questions about GPT-4o mini vs Codestral-22B.

Which is better, GPT-4o mini or Codestral-22B?

GPT-4o mini significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and Codestral-22B is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4o mini compare to Codestral-22B in benchmarks?

GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. Codestral-22B scores HumanEvalFIM-Average: 91.6%, HumanEval: 81.1%, MBPP: 78.2%, Spider: 63.5%, HumanEval-Average: 61.5%.

What are the context window sizes for GPT-4o mini and Codestral-22B?

GPT-4o mini supports 128K tokens and Codestral-22B supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o mini and Codestral-22B?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs MNPL-0.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o mini and Codestral-22B?

GPT-4o mini is developed by OpenAI and Codestral-22B is developed by Mistral AI.

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